Triple

T11452473
Position Surface form Disambiguated ID Type / Status
Subject Connecticut River watershed E271434 entity
Predicate hasTributary P415 FINISHED
Object Black River (New Hampshire)
Black River (New Hampshire) is a river in the U.S. state of New Hampshire that flows through Sullivan County before joining the Connecticut River.
 E1005275 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Black River (New Hampshire) | Statement: [Connecticut River watershed, hasTributary, Black River (New Hampshire)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Black River (New Hampshire)
Context triple: [Connecticut River watershed, hasTributary, Black River (New Hampshire)]
  • A. Black River (Vermont)
    Black River (Vermont) is a river in southeastern Vermont that flows generally southeast through several towns before joining the Connecticut River.
  • B. Souhegan River
    The Souhegan River is a New Hampshire waterway known for its scenic, largely rural course and popular recreational activities such as fishing, paddling, and riverside hiking.
  • C. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • D. Sugar River (New Hampshire)
    Sugar River (New Hampshire) is a river in western New Hampshire that flows generally westward from Lake Sunapee through several towns before joining the Connecticut River.
  • E. Mad River
    Mad River is a tributary stream in New Hampshire that feeds into the Pemigewasset River within the Merrimack River watershed.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Black River (New Hampshire)
Triple: [Connecticut River watershed, hasTributary, Black River (New Hampshire)]
Generated description
Black River (New Hampshire) is a river in the U.S. state of New Hampshire that flows through Sullivan County before joining the Connecticut River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Black River (New Hampshire)
Target entity description: Black River (New Hampshire) is a river in the U.S. state of New Hampshire that flows through Sullivan County before joining the Connecticut River.
  • A. Black River (Vermont)
    Black River (Vermont) is a river in southeastern Vermont that flows generally southeast through several towns before joining the Connecticut River.
  • B. Souhegan River
    The Souhegan River is a New Hampshire waterway known for its scenic, largely rural course and popular recreational activities such as fishing, paddling, and riverside hiking.
  • C. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • D. Sugar River (New Hampshire)
    Sugar River (New Hampshire) is a river in western New Hampshire that flows generally westward from Lake Sunapee through several towns before joining the Connecticut River.
  • E. Mad River
    Mad River is a tributary stream in New Hampshire that feeds into the Pemigewasset River within the Merrimack River watershed.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aadff8888190a13f253f0d460874 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d81c6f4d788190ac59b0df946cebbc completed April 9, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69f68e99c2608190b923ca8a9178fea2 completed May 2, 2026, 11:54 p.m.
NEDg Description generation batch_69f69061011c81908cb045925cfefdd7 completed May 3, 2026, 12:01 a.m.
NED2 Entity disambiguation (via description) batch_69f69138b40881909e9c74d6d922e1f3 completed May 3, 2026, 12:05 a.m.
Created at: April 8, 2026, 9:35 p.m.